body{
    margin:0;
    background-color: #ededed;
}
.hold{
    width:100%;
    height:10px;
    display: block;
    overflow: hidden;
    clear: both;
}
#toploading{
    width:100%;
    display: block;
    overflow: hidden;
    position: fixed;
    z-index: 9999;
    background-color: #ededed;
    left: 0px;
    top: 0px;
    right: 0px;
    bottom: 0px;
    height: 100vh;
    text-align: center;
    line-height: 200px;
    font-size:14px;
    color:green;
}
.card{
    max-width:580px;
    margin:10px 10px;
    display: block;
    overflow: hidden;
    clear: both;
    background-color: #fff;
    border-radius: 6px;
    box-shadow: 0 0 6px 1px #0000001a;
}
@media screen and (min-width: 600px) {
    .card{
        margin:10px auto;
    }
}
